Same kind of problem as reported in https://www.virtualbox.org/pipermail/vbox-dev/2020-September/015559.html
In my case, g++ compilation of zip.cpp was including lzf.h from /usr/include/lzf.h (which does not know about C++ callers) instead of /opt/VirtualBox-7.0.4/src/libs/liblzf-3.6/lzf.h (which does). I could not figure out where in the kmk jungle this mistake is being made, but I simply resorted to temporarily hiding /usr/include/lzf.h and replacing it by link to /opt/VirtualBox-7.0.4/src/libs/liblzf-3.6/lzf.h Cheers, John _______________________________________________ vbox-dev mailing list vbox-dev@virtualbox.org https://www.virtualbox.org/mailman/listinfo/vbox-dev